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Re: bug: return doesn't accept negative numbers


From: Chet Ramey
Subject: Re: bug: return doesn't accept negative numbers
Date: Mon, 08 Aug 2011 22:14:32 -0400
User-agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-US; rv:1.9.2.18) Gecko/20110616 Lightning/1.0b2 Thunderbird/3.1.11

On 8/8/11 9:42 PM, Mike Frysinger wrote:
> On Monday, August 08, 2011 21:20:29 Chet Ramey wrote:
>> On 8/8/11 8:53 AM, Eric Blake wrote:
>>> However, you are on to something - since bash allows 'exit -1' as an
>>> extension, it should similarly allow 'return -1' as the same sort of
>>> extension.  The fact that bash accepts 'exit -1' and 'exit -- -1', but
>>> only 'return -- -1', is the real point that you are complaining about.
>>
>> That's a reasonable extension to consider for the next release of bash.
> 
> i posted a patch for this quite a while ago.  not that it's hard to code.

Sure.  It's just removing the three lines of code that were added
between bash-3.2 and bash-4.0.  The question was always whether that's
the right thing to do, and whether the result will behave as Posix
requires.

Chet

-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU    address@hidden    http://cnswww.cns.cwru.edu/~chet/



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